3D printer



FIG. 1 is a front elevational view of a 3D printer showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view in enlarge scale thereof;

FIG. 4 is a right side view in enlarge scale thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a second perspective view thereof; and,

FIG. 9 is a third perspective view thereof.

The uniform horizontal parallel lines on the rectangular element on the rear side of the 3D printer and on the trapezoid elements on the left and right sides of the 3D printer are conventional shadings intended to illustrate the surfaces concerned being flat and non-transparent. 

CLAIM The ornamental design for a 3D printer, as shown and described. 